【urgent】 Illegal operation: log( {convex} )

错误使用 cvx/log
Disciplined convex programming error:
Illegal operation: log( {convex} ).

出错 SCAtra (第 86 行)
Fiuc_gcl(index,c)=log(sensorsjammer_gg+sum(jammerInter_g(:,c)))/log2
sensorsjammer_gg is a cvx 1dim, jammerInter_g(:,c)is a cvx 1 dim

The argument of log needs to be concave (or affine). It is not allowed by CVX to be convex.